You see a parasite
Notes
Summoned by Infected Weepers. Looks the same as a Larva.
Abilities
Melee (0-100? and 
starting up to 2 hp/turn)Damage Taken From Elements
Physical 
Death 
Holy
Ice
Fire
Energy
Earth
Location
Behaviour
Unknown.
Strategy
Lure them and their masters to the crystal columns near the end of the warzone.